Merge remote-tracking branch 'remotes/upstream/develop' into tiles-start-positions

front/src/Api/Events/LayerEvent.ts

@@ -0,0 +1,11 @@
+import * as tg from "generic-type-guard";
+
+export const isLayerEvent = new tg.IsInterface()
+    .withProperties({
+        name: tg.isString,
+    })
+    .get();
+/**
+ * A message sent from the iFrame to the game to show/hide a layer.
+ */
+export type LayerEvent = tg.GuardedType<typeof isLayerEvent>;